Jawaban:
D. 132°
Penjelasan dengan langkah-langkah:
4x+7x+48= 180
11x= 132
x= 132/11
x= 12
DOH= 180-4x
= 180-4(12)
= 180-48
= 132
Bertolak belakang, sama saja
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Jawaban:
D. 132°
Penjelasan dengan langkah-langkah:
4x+7x+48= 180
11x= 132
x= 132/11
x= 12
DOH= 180-4x
= 180-4(12)
= 180-48
= 132
Bertolak belakang, sama saja